CN103538618A - Hand control device used on stroller brake - Google Patents
Hand control device used on stroller brake Download PDFInfo
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- CN103538618A CN103538618A CN201310515824.8A CN201310515824A CN103538618A CN 103538618 A CN103538618 A CN 103538618A CN 201310515824 A CN201310515824 A CN 201310515824A CN 103538618 A CN103538618 A CN 103538618A
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Abstract
A hand control device used on a stroller brake comprises a shell and an insertion core. The insertion core can be inserted into an inner cavity of the shell. At least two grooves are formed in the inner cavity of the shell, convex fasteners are arranged on the lower portion of the peripheral surface of the insertion core, a cap is arranged at the top of the insertion core, and the insertion core is connected with a draw cord for retaining downward restoring force of locking of the brake. When the insertion core is under external pressing action of the cap, the upper surfaces of the convex fasteners can be fastened on the bottom surfaces of notches at the bottoms of the corresponding grooves via automatic rotation; under the action of external torsion of the cap, the convex fasteners can be separated from the bottom surfaces of the notches and rise upwards from the inner cavity of the shell. A restoring mechanism capable of rotating under the action of external pressing and rising upwards under the action of the external torsion is arranged on the insertion core. The hand control device has the advantages that the purpose of accurate braking can be achieved only by pressing the cap with hands, and a stroller is not braked if the cap is not pressed down, so that a stroller pusher can know whether the stroller is braked or not clearly, and further accidents caused by the fact that the stroller is not braked are avoided.
Description
Technical field
The present invention relates to a kind of go-cart, especially refer to a kind of hand-control device for doll carriage brake.
Background technology
Existing a kind of patent No. is that 200720060910.4 Chinese utility model patents that are called < < doll carriage > > disclose a kind of structure, its structure comprises vehicle frame, what be installed on vehicle frame top carries hurdle framework, the front and back wheel group that is installed on the push rod between Yu Ti hurdle, vehicle frame top framework and is installed on bottom of frame, in front and back wheel group, be respectively arranged with braking mechanism, this braking mechanism comprises brake lever, be installed on the brake frame at brake lever two ends, be installed on the brake mount between the brake frame at two ends and be installed on the brake combination on brake frame.When doll carriage turns to downslope road, user can tramp with one's feet and be installed on the brake mount on rear car wheels, ordering about whole braking mechanism backward directions moves, and drive the front truck wheels on vehicle frame to move backward, front and back wheel group is moved simultaneously backward, thereby whole doll carriage is stopped or slowing down front and back wheel speed; Thereby avoid causing when walking wayward faster rotating wheel on the road of slope.But this go-cart brake gear need be controlled with pin, can reach go-cart and stop mobile object, but the shortcoming of controlling with pin is that go-cart is easily bad, because of large by strength of one's legs amount, it is firmly difficult for holding, be easy to trample on piece, and the use that tramps with one's feet is also inconvenient, also has, with pin, control while tending to occur that go-cart is not checked, do not recognized; Under the state of this doll carriage in slope pavement, and again in the situation that adult does not note and is not protecting go-cart, be that go-cart is under the effect without external force, will slide from trend slope below, thereby cause the generation of contingency, baby's skin and flesh that the lighter is sitting on baby's hand push is injured, severe one also entail dangers to arrives baby's life security, have again, with foot brake, require caregiver that attention is disperseed from child and surrounding environment, operation is not only bothered but also inconvenient.Therefore how to realize go-cart and can brake in time and become the problem that the head of a family is very deeply concerned on road surface, the applicant has developed a kind of for the hand-control device on go-cart brake finally by unremitting effort for this reason.
Summary of the invention
Technical matters to be solved by this invention be for above-mentioned prior art present situation, provide a kind of and design ingenious, sound construction, volume is little and brake that can be by manually controlling accurately, easily at any time go-cart and pine are stopped for the hand-control device on go-cart brake.
The present invention solves the problems of the technologies described above adopted technical scheme: this is for the hand-control device on go-cart brake, comprise the shell that can be installed on trolley pole, can be inserted in up or down the lock pin in shell inner cavity, it is characterized in that: in the lower inner wall of described shell inner cavity, be vertically provided with the groove of at least two, described lock pin outer peripheral face bottom is provided with the corresponding protruding button that can slide up and down in groove, at the top of described lock pin, be provided with the block being positioned at outside shell inner cavity, described lock pin is connected with keeping the stay cord of the downward restoring force of brake locking, when described lock pin is inserted in shell inner cavity, described lock pin is pressed under effect in the outside of block, the upper surface of described protruding button can be snapped on the breach end face of bottom portion of groove through automatic rotation, again can be under the outside twisting force of block, described protruding button can be deviate from and upwards rise from shell inner cavity from breach end face, on described lock pin, be provided with energy automatic rotation under the effect of externally pressing, the response agency that externally lock pin upwards can be risen automatically from shell inner cavity under twisting force again, the rise power upwards rising in described response agency is greater than the downward restoring force of stay cord.
As improvement, described groove is three, and the number of described protruding button is corresponding with groove.
As improvement, the end face of described protruding button and bottom surface are fan-shaped, and the projecting plane of described groove is and suitable fan-shaped of protruding button.
As improvement, described response agency comprises the cover spring of torsion spring and tubular, and described torsion spring and cover spring are placed in the periphery of lock pin with upper and lower sleeve.
As improvement, described cover spring can be positioned at the top of torsion spring, the upper end of described cover spring is supported mutually with the block bottom surface on lock pin, and in the lower end of described cover spring and shell inner cavity, annular table level face supports mutually, a folding pin of described torsion spring stretches in the side shrinkage pool of lock pin, and the another of described torsion spring folding pin stretches in the side positioning groove in shell inner cavity.
As further improvement, described block comprises enclosing cover and inner cap, the middle part of described enclosing cover is provided with cavity, at the middle part that is positioned at cavity, be provided with annular convex ring, this annular convex ring is divided into inner chamber and annular outer-cavity by cavity, described inner chamber is the through hole of bottom opening, described inner cap can overlap in the annular outer-cavity that inserts in enclosing cover rotationally, the top dismountable type of described lock pin is connected with the inner chamber of enclosing cover, in described inner chamber, be provided with actively ball, the end face of described ball contacts mutually with the bottom surface of inner cap, the bottom surface of described ball is supported mutually with the end face of lock pin, the end face of described inner cap exceeds the end face of enclosing cover.
Improve again, the top of described lock pin can be screwed together by the negative thread of outside thread and inner chamber, on the cavity wall that is positioned at the enclosing cover above negative thread, be provided with annular table level, in inner chamber, can be provided with actively circular ring, the outer peripheral face of described circular ring is provided with bottom external diameter greatly and the little platform level ring of top external diameter, the outside dimension of described level ring is greater than the internal diameter of annular table level, the bottom of described inner cap is extended a protuberance downwards, described protuberance is mutually spirally connected and is fixed together by the negative thread of outside thread and circular ring, the end face of described ball contacts mutually with the bottom surface of protuberance.
Improve, the end face of described inner cap is sphere again, and the periphery of described interior hd top face is mutually concordant with the end face of enclosing cover.
Improve, the end face of described lock pin is provided with Baltimore groove again, and the bottom surface of described ball is placed in Baltimore groove.
Improve again, between the periphery of described inner cap and the periphery wall of enclosing cover annular outer-cavity, leave circular clearance.
Compared with prior art, the present invention adopts in the lower inner wall of described shell inner cavity and is vertically provided with the groove of at least two, described lock pin outer peripheral face bottom is provided with the corresponding protruding button that can slide up and down in groove, at the top of described lock pin, be provided with the block being positioned at outside shell inner cavity, described lock pin is connected with keeping the stay cord of the downward restoring force of brake locking, when described lock pin is inserted in shell inner cavity, described lock pin is pressed under effect in the outside of block, the upper surface of described protruding button can be snapped on the breach end face of bottom portion of groove through automatic rotation, again can be under the outside twisting force of block, described protruding button can from breach end face deviate from inner chamber from shell upwards rise, on described lock pin, be provided with energy automatic rotation under the effect of externally pressing, the response agency that externally lock pin upwards can be risen automatically from the inner chamber of shell under twisting force again, the rise power upwards rising in described response agency is greater than the downward restoring force of stay cord.The advantage of this design is, when go-cart will be braked, as long as can reach the object of accurate brake with hand by lower cover cap, if do not illustrate that by lower cover cap go-cart is not checked, light cap cap again, treats to reach by lower cover cap the object of brake, so trammer can know clearly and whether checks go-cart, thereby avoided the contingency occurring because not checking go-cart, realized the object of safe handling, also have, block comprises enclosing cover and inner cap, the middle part of enclosing cover is provided with cavity, at the middle part that is positioned at cavity, be provided with annular convex ring, this annular convex ring is divided into inner chamber and annular outer-cavity by cavity, described inner chamber is the through hole of bottom opening, described inner cap can overlap in the annular outer-cavity that inserts in enclosing cover rotationally, the top dismountable type of described lock pin is connected with the inner chamber of enclosing cover, in described inner chamber, be provided with actively ball, the end face of described ball contacts mutually with the bottom surface of inner cap, the bottom surface of described ball is supported mutually with the end face of lock pin, the end face of described inner cap exceeds the end face of enclosing cover.This project organization, guaranteed that block is by hand lower time, inner cap in block can not cause protruding button can not be snapped in the problem on the breach end face of bottom portion of groove completely because the contact surface of palm stop greatly the torsion of torsion spring, thereby while having guaranteed to brake, can pin exactly the object of go-cart; This patent has just avoided requiring caregiver that attention is disperseed from child and surrounding environment with stopping brake lock, makes not only convenient but also safety of operation.And this device design is ingenious, sound construction, volume is little and it is laborsaving to use, light, not only can be used on perambulator, but also can be applied to tricycle for the disabled etc., need in car type that people nurses.
Accompanying drawing explanation
Fig. 1 is the block diagram of the application state of the embodiment of the present invention;
Fig. 2 is the three-dimensional exploded view of Fig. 1;
Fig. 3 is the downward projection figure of Fig. 1;
Fig. 4 is along the cutaway view of A-A line in Fig. 3;
Fig. 5 be Fig. 1 after removing trolley pole and front half block shell and lock pin be positioned at by the block diagram after depressing;
Fig. 6 be Fig. 1 after removing trolley pole and shell bottom and lock pin not by the block diagram after depressing;
Fig. 7 be Fig. 1 after removing trolley pole and shell bottom and lock pin by the block diagram after depressing;
Fig. 8 is the three-dimensional exploded view of Fig. 7;
Fig. 9 is the three-dimensional exploded view (semi-sictional view) of Fig. 1 half block shell before removing;
Figure 10 is Fig. 1 three-dimensional exploded view after half block shell and shell bottom before removing;
Figure 11 is the block diagram of torsion spring in Figure 10.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in Figure 1 to 11, the present embodiment for the hand-control device on go-cart brake, comprise the shell 2 that can be installed on trolley pole 1, can be inserted in up or down the lock pin 3 in shell inner cavity 21, in the lower inner wall of shell inner cavity 21, be vertically provided with the groove 22 of at least two, described lock pin 3 outer peripheral face bottoms are provided with the corresponding protruding button 31 that can slide up and down in groove 22, at the top of described lock pin 3, be provided with the block 8 being positioned at outside shell inner cavity 21, described lock pin 3 is connected with keeping the stay cord 4 of the downward restoring force of brake locking, when lock pin 3 is inserted in shell inner cavity 21, lock pin 3 is pressed under effect in the outside of block 8, the upper surface of protruding button 31 can be snapped on the breach end face 23 of groove 22 bottoms through automatic rotation, again can be under the outside twisting force of block 8, described protruding button 31 can be deviate from and upwards rise from shell inner cavity 21 from breach end face 23, on described lock pin 3, be provided with energy automatic rotation under the effect of externally pressing, the response agency that externally lock pin 3 upwards can be risen automatically from shell inner cavity 21 under twisting force again, the rise power upwards rising in described response agency is greater than the downward restoring force of stay cord 4.Described groove 22 is three, and the number of described protruding button 31 is corresponding with groove 22.The end face of described protruding button 31 and bottom surface are fan-shaped, and the projecting plane of described groove 22 is and suitable fan-shaped of protruding button 31.Described response agency comprises the cover spring 6 of torsion spring 7 and tubular, and described torsion spring 7 and cover spring 6 are placed in the periphery of lock pin 3 with upper and lower sleeve.Cover spring 6 is positioned at the top of torsion spring 7, the upper end of cover spring 6 is supported mutually with the block bottom surface on lock pin 3, and annular table level face 24 supports mutually in lower end and the shell inner cavity 21 of cover spring 6, a folding pin 71 of described torsion spring 7 stretches in the side shrinkage pool 34 of lock pin 3, and the another of described torsion spring 7 folding pin 72 stretches in the side positioning groove 73 in shell inner cavity 21.
Above-mentioned block 8 comprises enclosing cover 81 and inner cap 82, the middle part of described enclosing cover 81 is provided with cavity, at the middle part that is positioned at cavity, be provided with annular convex ring 88, this annular convex ring 88 is divided into inner chamber 84 and annular outer-cavity 83 by cavity, the through hole that described inner chamber 84 is bottom opening, described inner cap 82 can overlap in the annular outer-cavity 83 that inserts in enclosing cover 81 rotationally.Between the periphery wall of the periphery of inner cap 82 and enclosing cover 81 annular outer-cavities 83, leave circular clearance.At the top of lock pin 3 dismountable type, be connected with the inner chamber 84 of enclosing cover 81, in described inner chamber 84, be provided with actively ball 9, the end face of described ball 9 contacts mutually with the bottom surface of inner cap 82, and the bottom surface of described ball 9 is supported mutually with the end face of lock pin 3, and the end face of described inner cap 82 exceeds the end face of enclosing cover 81.The top of described lock pin 3 is screwed together by the negative thread of outside thread and inner chamber 84, on the cavity wall that is positioned at the enclosing cover above negative thread, be provided with annular table level 87, in inner chamber 84, can be provided with actively circular ring 85, the outer peripheral face of described circular ring 85 is provided with bottom external diameter greatly and the little platform level ring 86 of top external diameter, the outside dimension of described level ring 86 is greater than the internal diameter of annular table level 87, the bottom of described inner cap 82 is extended a protuberance 89 downwards, described protuberance 89 is mutually spirally connected and is fixed together by the negative thread of outside thread and circular ring 85, the end face of described ball 9 contacts mutually with the bottom surface of protuberance 89, the end face of described inner cap 82 is sphere, the periphery of described inner cap 82 end faces is mutually concordant with the end face of enclosing cover 81.The end face of described lock pin 3 is provided with Baltimore groove 32, and the bottom surface of described ball 9 is placed in Baltimore groove 32.
Principle of work of the present invention is: take perambulator as example, during normal use, adult needs only light pressure cap lid, the rise power of cap by cover spring by stay cord (also can be brake cable) pass through pulley 5 by brake in released state, so the wheel of perambulator can normally roll forward or backward, when perambulator need to brake, adult is as long as use have gentle hands gland cap, lock pin is moved down and can check perambulator, wheel is just locked and stop operating like this, uses very convenient, flexible.Because hand-control device is to adopt manual control rather than foot control, adult, when pressing block, just can directly find whether brake locks like this, if not locking, light pressure once blocked a shot again, effectively avoided not recognizing because of foot control the unforeseen circumstances that perambulator is not checked.Thereby realize, use safer, more convenient, sensitiveer manual effect.
Claims (10)
1. one kind for the hand-control device on go-cart brake, comprise the shell (2) that can be installed on trolley pole (1), can be inserted in up or down the lock pin (3) in shell inner cavity (21), it is characterized in that: in the lower inner wall of described shell inner cavity (21), be vertically provided with the groove (22) of at least two, described lock pin (3) outer peripheral face bottom is provided with the corresponding protruding button (31) that can slide up and down in groove (22), at the top of described lock pin (3), be provided with the block (8) being positioned at outside shell inner cavity (21), described lock pin (3) is connected with keeping the stay cord (4) of the downward restoring force of brake locking, when described lock pin (3) is inserted in shell inner cavity (21), described lock pin (3) is pressed under effect in the outside of block (8), the upper surface of described protruding button (31) can be snapped on the breach end face (23) of groove (22) bottom through automatic rotation, again can be under the outside twisting force of block (8), described protruding button (31) can be deviate from and upwards rise from shell inner cavity (21) from breach end face (23), on described lock pin (3), be provided with energy automatic rotation under the effect of externally pressing, the response agency that externally lock pin (3) upwards can be risen automatically from shell inner cavity (21) under twisting force again, the rise power upwards rising in described response agency is greater than the downward restoring force of stay cord (4).
2. hand-control device according to claim 1, is characterized in that: described groove (22) is three, and the number of described protruding button (31) is corresponding with groove (22).
3. hand-control device according to claim 2, is characterized in that: end face and the bottom surface of described protruding button (31) are fan-shaped, and the projecting plane of described groove (22) is and suitable fan-shaped of protruding button (31).
4. according to arbitrary described hand-control device in claims 1 to 3, it is characterized in that: described response agency comprises the cover spring (6) of torsion spring (7) and tubular, described torsion spring (7) and cover spring (6) are placed in the periphery of lock pin (3) with upper and lower sleeve.
5. hand-control device according to claim 4, it is characterized in that: described cover spring (6) is positioned at the top of torsion spring (7), the upper end of described cover spring (6) is supported mutually with the block bottom surface on lock pin (3), and the lower end of described cover spring (6) is supported mutually with the middle annular table level face (24) of shell inner cavity (21), a folding pin (71) of described torsion spring (7) stretches in the side shrinkage pool (34) of lock pin (3), and the another of described torsion spring (7) folding pin (72) stretches in the side positioning groove (73) in shell inner cavity (21).
6. according to arbitrary described hand-control device in claims 1 to 3, it is characterized in that: described block (8) comprises enclosing cover (81) and inner cap (82), the middle part of described enclosing cover (81) is provided with cavity, at the middle part that is positioned at cavity, be provided with annular convex ring (88), this annular convex ring (88) is divided into inner chamber (84) and annular outer-cavity (83) by cavity, the through hole that described inner chamber (84) is bottom opening, described inner cap (82) can overlap in the annular outer-cavity (83) that inserts in enclosing cover (81) rotationally, the top dismountable type of described lock pin (3) is connected with the inner chamber (84) of enclosing cover (81), in described inner chamber (84), be provided with actively ball (9), the end face of described ball (9) contacts mutually with the bottom surface of inner cap (82), the bottom surface of described ball (9) is supported mutually with the end face of lock pin (3), the end face of described inner cap (82) exceeds the end face of enclosing cover (81).
7. hand-control device according to claim 6, it is characterized in that: the top of described lock pin (3) is screwed together by the negative thread of outside thread and inner chamber (84), on the cavity wall that is positioned at the enclosing cover above negative thread, be provided with annular table level (87), in inner chamber (84), can be provided with actively circular ring (85), the outer peripheral face of described circular ring (85) is provided with bottom external diameter greatly and the little platform level ring (86) of top external diameter, the outside dimension of described level ring (86) is greater than the internal diameter of annular table level (87), the bottom of described inner cap (82) is extended a protuberance (89) downwards, described protuberance (89) is mutually spirally connected and is fixed together by the negative thread of outside thread and circular ring (85), the end face of described ball (9) contacts mutually with the bottom surface of protuberance (89).
8. hand-control device according to claim 7, is characterized in that: the end face of described inner cap (82) is sphere, and the periphery of described inner cap (82) end face is mutually concordant with the end face of enclosing cover (81).
9. hand-control device according to claim 8, is characterized in that: the end face of described lock pin (3) is provided with Baltimore groove (32), and the bottom surface of described ball (9) is placed in Baltimore groove (32).
10. hand-control device according to claim 6, is characterized in that: between the periphery of described inner cap (82) and the periphery wall of enclosing cover (81) annular outer-cavity (83), leave circular clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310515824.8A CN103538618B (en) | 2013-10-19 | 2013-10-19 | Hand-control device on go-cart brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310515824.8A CN103538618B (en) | 2013-10-19 | 2013-10-19 | Hand-control device on go-cart brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103538618A true CN103538618A (en) | 2014-01-29 |
| CN103538618B CN103538618B (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310515824.8A Active CN103538618B (en) | 2013-10-19 | 2013-10-19 | Hand-control device on go-cart brake |
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| Country | Link |
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| CN (1) | CN103538618B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455193A (en) * | 2018-10-19 | 2019-03-12 | 华强方特（芜湖）文化科技有限公司 | A kind of amusement railcar with push type brake function |
| US11904920B2 (en) | 2021-11-19 | 2024-02-20 | Raytheon Company | Lift cart with mechanically actuated automatic braking device |
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| US20040075247A1 (en) * | 2002-10-16 | 2004-04-22 | Wan-Hsing Lin | Foldable three-wheel baby carriage with a shock-absorbing function |
| US20060071452A1 (en) * | 2004-10-05 | 2006-04-06 | Link Treasure Limited | Reversible baby stroller with brake structure |
| CN201856796U (en) * | 2010-10-14 | 2011-06-08 | 王凯 | Brake device of handcart |
| CN202080318U (en) * | 2011-05-03 | 2011-12-21 | 好孩子儿童用品有限公司 | Child stroller |
| CN203528572U (en) * | 2013-10-19 | 2014-04-09 | 茅鸿勇 | Manual control device for cart brake device |
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2013
- 2013-10-19 CN CN201310515824.8A patent/CN103538618B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040075247A1 (en) * | 2002-10-16 | 2004-04-22 | Wan-Hsing Lin | Foldable three-wheel baby carriage with a shock-absorbing function |
| US20060071452A1 (en) * | 2004-10-05 | 2006-04-06 | Link Treasure Limited | Reversible baby stroller with brake structure |
| CN201856796U (en) * | 2010-10-14 | 2011-06-08 | 王凯 | Brake device of handcart |
| CN202080318U (en) * | 2011-05-03 | 2011-12-21 | 好孩子儿童用品有限公司 | Child stroller |
| CN203528572U (en) * | 2013-10-19 | 2014-04-09 | 茅鸿勇 | Manual control device for cart brake device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455193A (en) * | 2018-10-19 | 2019-03-12 | 华强方特（芜湖）文化科技有限公司 | A kind of amusement railcar with push type brake function |
| US11904920B2 (en) | 2021-11-19 | 2024-02-20 | Raytheon Company | Lift cart with mechanically actuated automatic braking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103538618B (en) | 2016-04-27 |
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